﻿/*

  The contents of this file are subject to the Mozilla Public License Version
  1.1 (the "License"); you may not use this file except in compliance with
  the License. You may obtain a copy of the License at 
  
           http://www.mozilla.org/MPL/ 
  
  Software distributed under the License is distributed on an "AS IS" basis,
  WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  for the specific language governing rights and limitations under the License. 
  
  The Original Code is AST'r Framework.
  
  The Initial Developer of the Original Code is
  ALCARAZ Marc (aka eKameleon) <ekameleon@gmail.com>.
  Portions created by the Initial Developer are Copyright (C) 2004-2011
  the Initial Developer. All Rights Reserved.
  
  Contributor(s) :
  
*/

package egallery.advanced.controllers.ui 
{    import egallery.advanced.logging.logger;
    import egallery.advanced.models.PictureModel;
    
    import system.events.EventListener;
    
    import vegas.media.CoreSound;
    
    import flash.events.Event;
    import flash.events.KeyboardEvent;
    import flash.ui.Keyboard;
    
    /**     * Invoked when a key is down in the application.     */    public class KeyDown implements EventListener 
    {
        /**
         * Creates a new KeyDown instance.
         */        public function KeyDown()
        {
            //
        }
        
        /**
         * The picture model reference.
         */
        public var model:PictureModel ;
        
        /**
         * The sound invoked when a key is down.
         */
        public var sound:CoreSound ;
        
        /**
         * Handles the event.
         */
        public function handleEvent(e:Event):void
        {
            var event:KeyboardEvent = e as KeyboardEvent ;
            if( event != null && model != null )
            { 
               logger.debug(this + " handleEvent : " + event) ;
                var code:uint = event.keyCode ;
                switch (code)
                {
                   case Keyboard.RIGHT :
                   {
                       model.next() ;
                       notifySound() ;
                       break ;
                   }
                   case Keyboard.LEFT :
                   {
                       model.previous() ;
                       notifySound() ;
                       break ;
                   }
               }
            }
            else
            {
                logger.error( this + " failed, the event reference and the model reference not must be null.") ;
            }
        }        
        /**
         * Play the sound reference.
         */
        public function notifySound():void
        {
            if ( sound != null )
            {
                sound.play(0) ;
            }
        }
    }}